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根田鼠瞬时摄入率对植物可利用性变量集功能反应的格局
引用本文:陶双伦,刘季科,都玉蓉,李俊年,马建滨.根田鼠瞬时摄入率对植物可利用性变量集功能反应的格局[J].兽类学报,2001,21(4):279-286.
作者姓名:陶双伦  刘季科  都玉蓉  李俊年  马建滨
作者单位:1. 中国科学院西北高原生物研究所,西宁,810001
2. 浙江大学生命科学学院,杭州,310012
3. 青海师范大学生物系,西宁,810001
基金项目:国家自然科学基金资助项目(38970149);中国科学院海北高寒草甸生态系统开放站基金资助项目(2040740)
摘    要:在实验室条件下,以随机区组设计的新鲜紫花苜蓿叶片斑块,测定苜蓿叶片可利用性变量,叶片密度,生物量密度和叶片大小对根田鼠瞬时摄入率的作用格局。苜蓿叶片大小对根田鼠摄入率具有显作用(P<0.01),而叶片密度与生物量作用则不显(P>0.05);根田鼠摄入率对其口量变化能作出2倍以上的反应(P<0.01);观测摄入率与模型预测摄入率的回归显(P<0.01),研究结果证明,以叶片大小替代根田鼠口量是影响其摄率的独立变量;检验了植物大小是替代植食性哺乳动物口量的有效变量,以及植物大小是影响植食性哺乳动物摄入率潜在独立变量的假设。

关 键 词:根田鼠  瞬时摄入率  植物可利用性变量集  口量  功能反应
文章编号:1000-1050-(2001)04-0279-08
修稿时间:2000年6月28日

FUNCTIONAL RESPONSE PATTERS OF INSTANTANEOUS INTAKE RATE FOR ROOT VOLE (MICROTUS OECONOMUS) TO THE SET OF PLANT AVAILABILITY VARIABLES
TAO Shuanglun,LIU Jike,DU Yurong,LI Junnian,MA Jianbin.FUNCTIONAL RESPONSE PATTERS OF INSTANTANEOUS INTAKE RATE FOR ROOT VOLE (MICROTUS OECONOMUS) TO THE SET OF PLANT AVAILABILITY VARIABLES[J].Acta Theriologica Sinica,2001,21(4):279-286.
Authors:TAO Shuanglun  LIU Jike  DU Yurong  LI Junnian  MA Jianbin
Institution:TAO Shuanglun 1 LIU Jike 2 DU Yurong 3 LI Junnian 2 MA Jianbin 3
Abstract:The effects of the set of alfalfa leaf availability variables, biomass density and leaf density and leaf size on the patterns of instantaneous intake rates of root voles, Microtus oeconomuswere measured on the fresh alfalfa leaf patches by random blocked design in laboratory Leaf size had a significant effect on the voles intake rates( P < 0 01), while leaf size and biomass density had no effects( P > 0 05 ) We observed over two fold increase in intake rates in response to increased bite size( P < 0 01 ) The regression between the observed and predicted intake rates was significant( P < 0 01 ) These results indicated that leaf size as a surrogate for bite size is a main variable, so we tested the hypotheses that plant size is mammalian herbivores , bite size surrogator, and that plant size as an independent variable influence on mammalian herbivores , bite size
Keywords:Root voles(  Microtus oeconomus  )  Instantaneous intake rate  Set of plant availability variables  Bite size  Functional response
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